69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
package processor
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import (
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"encoding/hex"
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"github.com/prometheus/client_golang/prometheus"
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"time"
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ethcommon "github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"google.golang.org/protobuf/proto"
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gossipv1 "github.com/certusone/wormhole/bridge/pkg/proto/gossip/v1"
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"github.com/certusone/wormhole/bridge/pkg/vaa"
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)
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var (
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observationsBroadcastTotal = prometheus.NewCounter(
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prometheus.CounterOpts{
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Name: "wormhole_observations_broadcast_total",
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Help: "Total number of signed observations queued for broadcast",
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})
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)
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func init() {
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prometheus.MustRegister(observationsBroadcastTotal)
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}
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func (p *Processor) broadcastSignature(v *vaa.VAA, signature []byte) {
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digest, err := v.SigningMsg()
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if err != nil {
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panic(err)
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}
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obsv := gossipv1.SignedObservation{
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Addr: crypto.PubkeyToAddress(p.gk.PublicKey).Bytes(),
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Hash: digest.Bytes(),
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Signature: signature,
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}
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w := gossipv1.GossipMessage{Message: &gossipv1.GossipMessage_SignedObservation{SignedObservation: &obsv}}
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msg, err := proto.Marshal(&w)
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if err != nil {
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panic(err)
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}
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p.sendC <- msg
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// Store our VAA in case we're going to submit it to Solana
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hash := hex.EncodeToString(digest.Bytes())
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if p.state.vaaSignatures[hash] == nil {
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p.state.vaaSignatures[hash] = &vaaState{
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firstObserved: time.Now(),
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signatures: map[ethcommon.Address][]byte{},
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source: "loopback",
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}
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}
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p.state.vaaSignatures[hash].ourVAA = v
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p.state.vaaSignatures[hash].ourMsg = msg
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p.state.vaaSignatures[hash].gs = p.gs // guaranteed to match ourVAA - there's no concurrent access to p.gs
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// Fast path for our own signature
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go func() { p.obsvC <- &obsv }()
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observationsBroadcastTotal.Inc()
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}
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